Home / 710,531.20-1,066,963.20-474,918.40

Finding the Fourth Proportional to 710,531.20, 1,066,963.20 and 474,918.40

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Solution

The fourth proportional to 710,531.20, 1,066,963.20 and 474,918.40 is: 713,157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,531.20 : 1,066,963.20 = 474,918.40 : x
  2. Step 2: Convert to fraction form
    710,531.20/1,066,963.20 = 474,918.40/x
  3. Step 3: Cross multiply
    710,531.20x = 1,066,963.20 × 474,918.40
  4. Step 4: Simplify right side
    710,531.20x = 506,720,455,802.88
  5. Step 5: Solve for x
    x = 506,720,455,802.88/710,531.20
  6. Step 6: Final answer
    x = 713,157.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.